Question

solve by completing the square

Answer 1

\[x^2+12x+3=0\]

Answer 2

x^2 + 12x = -3
x^2 + 12x + 36 = -3 + 36
(x + 6)^2 = 33
x + 6 = sqrt(33) or x + 6 = -sqrt(36)
x = -6 + sqrt(33) or x = -6 - sqrt(33)